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Carbon dioxide concentration inversion optimization method and system

A carbon dioxide and optimization method technology, applied in complex mathematical operations, color/spectral characteristic measurement, instruments, etc., can solve the problems of slow carbon dioxide inversion speed and low timeliness, and achieve the goal of improving inversion efficiency and speed Effect

Inactive Publication Date: 2018-05-29
SPACE STAR TECH CO LTD
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Problems solved by technology

[0005] Aiming at the problem of low timeliness in inversion of carbon dioxide concentration by full-physics iterative algorithm, the present invention provides a carbon dioxide concentration inversion optimization method and system, which solves the problem of slow carbon dioxide inversion speed and low timeliness, and realizes real-time monitoring of carbon dioxide concentration. monitor

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  • Carbon dioxide concentration inversion optimization method and system

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Embodiment Construction

[0059] Below, refer to figure 1 The processing procedure of the present invention will be described in detail.

[0060] The carbon dioxide concentration inversion optimization method of the present invention includes the following steps.

[0061] Step 1: Use CAPI L2 level cloud detection products and aerosol products to remove cloud pixels in HSCO2L1B data, and screen out pixels that can be used for inversion of CO2 concentration.

[0062] (1) Analyze the COSS scheduling parameters, read the HSCO2L1B file, and automatically match the corresponding CAPI L2 level cloud monitoring and aerosol products according to the observation time;

[0063] (2) Use CAPI L2 level cloud products and aerosol products to eliminate cloud pixels in HSCO2L1B level data, and obtain the total number of pixels that can be used for carbon dioxide concentration inversion and the sounding id of each invertible pixel;

[0064] (3) Write the total number of pixels that can be used to invert the concentrat...

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Abstract

The invention provides a carbon dioxide concentration inversion optimization method and system. The method includes the steps of 1, obtaining data from a greenhouse gas detecting instrument and a cloud detection and aerosol detecting instrument, removing cloud pixels in H2 carbon dioxide L1B data by utilizing CAPI L2 level cloud detection product and aerosol product, and screening out pixels whichcan be used for carbon dioxide concentration inversion; 2, screening pixel data of different earth surface types for inversion according to carbon satellite observation modes; 3, equally distributingthe screened-out pixels which can be used for carbon dioxide concentration inversion to multiple computational nodes for inversion; 4, enabling a single computational node to start a number of subprocesses through a multi-process parallel technology and meanwhile conduct carbon dioxide concentration inversion, and writing inversion results into a Redis in-memory database; 5, reading inversion results in the Redis in-memory database and generating a carbon dioxide concentration inversion product file and a browsing graph.

Description

technical field [0001] The invention relates to a carbon dioxide concentration inversion optimization method and system. Background technique [0002] Changes in greenhouse gas concentrations are crucial to predicting future climate change, so the spatiotemporal changes in global carbon dioxide concentrations have always been a hot and difficult research topic. The global carbon dioxide monitoring scientific experiment satellite (Carbon Satellite for short) launched by China carries two important payloads, the hyperspectral greenhouse gas detector (HS carbon dioxide) and the cloud & aerosol detector (CAPI). The satellite data is transmitted to the ground data receiving system, and the data is processed by the product generation system to generate carbon dioxide retrieval products, thereby realizing real-time monitoring of carbon dioxide concentration. [0003] Carbon satellite carbon dioxide inversion and product generation methods use a full physical iterative inversion al...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/18G01N21/25G01N21/85
CPCG01N21/25G01N21/85G01N2021/8578G06F17/18
Inventor 范兰兰胡沅王铭实丁火平席家驹蒋金雄阴小刚王士库冯洋洋钱磊邱文华
Owner SPACE STAR TECH CO LTD
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